Home / 1,200,515.12-1,800,640.02-301,957.22

Finding the Fourth Proportional to 1,200,515.12, 1,800,640.02 and 301,957.22

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Solution

The fourth proportional to 1,200,515.12, 1,800,640.02 and 301,957.22 is: 452,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,515.12 : 1,800,640.02 = 301,957.22 : x
  2. Step 2: Convert to fraction form
    1,200,515.12/1,800,640.02 = 301,957.22/x
  3. Step 3: Cross multiply
    1,200,515.12x = 1,800,640.02 × 301,957.22
  4. Step 4: Simplify right side
    1,200,515.12x = 543,716,250,165.28
  5. Step 5: Solve for x
    x = 543,716,250,165.28/1,200,515.12
  6. Step 6: Final answer
    x = 452,902.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.